Shenzhen Hengzhiyi Electronic Technology Co., Ltd
Shenzhen Hengzhiyi Electronic Technology Co., Ltd suppliers high quality jewelry weighing and testing tools, gemmological instrument, provide a variety of product, like pocket scale, precision balance, diamond selector II, jewelry loupe, hardness pencil, polariscope, calcite dichroscope, prism spectroscope, grating spectroscope, gem filter, thickness gauge etc for jewelers, craftspeople, hobbyists and others. We have been providing our customers with the service and quality they come to expect
pocket scale, precision balance, diamond selector II, jewelry loupe, hardness pencil, polariscope, calcite dichroscope, prism spectroscope, grating spectroscope, gem filter, thickness gauge, weighing scale, gemmological instrument
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